EVS-EN 288-8:1998

This standard specifies the conditions for approval of welding procedure based on pre-production welding  tests in accordance with EN 288-1. In addition it gives the range of approval and the validity.  This standard is applicable to fusion welding of metallic materials. Any other welding processes can be accepted by agreement between the contracting parties.   The use of this standard can be restricted by an application standard or at the inquiry/order stage by  contracting parties.